Respiratory System

By Jacob Scandalis

Function of the Respiratory System

Deliver air to the lungs.

Features of alveoli that allow them to adapt to gas exchange

Both of the walls of the capillaries and the aveoli are made up of single layer of cells, which decreases the distance between them and permits a faster gas exchange. Some of these cells in the alveoli wall produce a wet substance that lets gases dissolve and prevent alveoli from sticking together.

How carbon dioxide and oxygen are transported in the blood stream

Oxygen is carried to the cells while carbon dioxide is carried away from the cells. Oxygen enters the blood from the lungs and carbon dioxide is removed out of the blood into the lungs.

2 Major Disorders

Chronic Obstructive Pulmonary Disease (COPD) - Irritation of the lungs can lead to asthma, emphysema, and chronic bronchitis. The main cause is smoking. Signs and symptoms are shortness of breath, a chronic cough, and experience frequent respiratory infections.

Pneumonia - An infection of the aveoli which can be caused by various kinds of both bacteria and viruses. Tissue fluids accumulate in the aveoli reducing the surface area exposed to air. Symptoms and signs are cough, chest pains, difficulty breathing, fever, fatigue, nausea, mood swings, etc. Most causes of Pneumonia can be treated iwthout needing to go to the hospital. Oral antibiotics, rest, fluids, and home care are sufficient for complete consoildation.